]>
Commit | Line | Data |
---|---|---|
1 | #!/bin/sh | |
2 | # SPDX-License-Identifier: GPL-2.0 | |
3 | # | |
4 | # This scripts adds local version information from the version | |
5 | # control systems git, mercurial (hg) and subversion (svn). | |
6 | # | |
7 | # If something goes wrong, send a mail the kernel build mailinglist | |
8 | # (see MAINTAINERS) and CC Nico Schottelius | |
9 | # <nico-linuxsetlocalversion -at- schottelius.org>. | |
10 | # | |
11 | # | |
12 | ||
13 | usage() { | |
14 | echo "Usage: $0 [--save-scmversion] [srctree]" >&2 | |
15 | exit 1 | |
16 | } | |
17 | ||
18 | scm_only=false | |
19 | srctree=. | |
20 | if test "$1" = "--save-scmversion"; then | |
21 | scm_only=true | |
22 | shift | |
23 | fi | |
24 | if test $# -gt 0; then | |
25 | srctree=$1 | |
26 | shift | |
27 | fi | |
28 | if test $# -gt 0 -o ! -d "$srctree"; then | |
29 | usage | |
30 | fi | |
31 | ||
32 | scm_version() | |
33 | { | |
34 | local short | |
35 | short=false | |
36 | ||
37 | cd "$srctree" | |
38 | if test -e .scmversion; then | |
39 | cat .scmversion | |
40 | return | |
41 | fi | |
42 | if test "$1" = "--short"; then | |
43 | short=true | |
44 | fi | |
45 | ||
46 | # Check for git and a git repo. | |
47 | if test -z "$(git rev-parse --show-cdup 2>/dev/null)" && | |
48 | head=$(git rev-parse --verify HEAD 2>/dev/null); then | |
49 | ||
50 | # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore | |
51 | # it, because this version is defined in the top level Makefile. | |
52 | if [ -z "$(git describe --exact-match 2>/dev/null)" ]; then | |
53 | ||
54 | # If only the short version is requested, don't bother | |
55 | # running further git commands | |
56 | if $short; then | |
57 | echo "+" | |
58 | return | |
59 | fi | |
60 | # If we are past a tagged commit (like | |
61 | # "v2.6.30-rc5-302-g72357d5"), we pretty print it. | |
62 | # | |
63 | # Ensure the abbreviated sha1 has exactly 12 | |
64 | # hex characters, to make the output | |
65 | # independent of git version, local | |
66 | # core.abbrev settings and/or total number of | |
67 | # objects in the current repository - passing | |
68 | # --abbrev=12 ensures a minimum of 12, and the | |
69 | # awk substr() then picks the 'g' and first 12 | |
70 | # hex chars. | |
71 | if atag="$(git describe --abbrev=12 2>/dev/null)"; then | |
72 | echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),substr($(NF),0,13))}' | |
73 | ||
74 | # If we don't have a tag at all we print -g{commitish}, | |
75 | # again using exactly 12 hex chars. | |
76 | else | |
77 | head="$(echo $head | cut -c1-12)" | |
78 | printf '%s%s' -g $head | |
79 | fi | |
80 | fi | |
81 | ||
82 | # Is this git on svn? | |
83 | if git config --get svn-remote.svn.url >/dev/null; then | |
84 | printf -- '-svn%s' "$(git svn find-rev $head)" | |
85 | fi | |
86 | ||
87 | # Check for uncommitted changes. | |
88 | # First, with git-status, but --no-optional-locks is only | |
89 | # supported in git >= 2.14, so fall back to git-diff-index if | |
90 | # it fails. Note that git-diff-index does not refresh the | |
91 | # index, so it may give misleading results. See | |
92 | # git-update-index(1), git-diff-index(1), and git-status(1). | |
93 | if { | |
94 | git --no-optional-locks status -uno --porcelain 2>/dev/null || | |
95 | git diff-index --name-only HEAD | |
96 | } | grep -qvE '^(.. )?scripts/package'; then | |
97 | printf '%s' -dirty | |
98 | fi | |
99 | ||
100 | # All done with git | |
101 | return | |
102 | fi | |
103 | ||
104 | # Check for mercurial and a mercurial repo. | |
105 | if test -d .hg && hgid=$(hg id 2>/dev/null); then | |
106 | # Do we have an tagged version? If so, latesttagdistance == 1 | |
107 | if [ "$(hg log -r . --template '{latesttagdistance}')" = "1" ]; then | |
108 | id=$(hg log -r . --template '{latesttag}') | |
109 | printf '%s%s' -hg "$id" | |
110 | else | |
111 | tag=$(printf '%s' "$hgid" | cut -d' ' -f2) | |
112 | if [ -z "$tag" -o "$tag" = tip ]; then | |
113 | id=$(printf '%s' "$hgid" | sed 's/[+ ].*//') | |
114 | printf '%s%s' -hg "$id" | |
115 | fi | |
116 | fi | |
117 | ||
118 | # Are there uncommitted changes? | |
119 | # These are represented by + after the changeset id. | |
120 | case "$hgid" in | |
121 | *+|*+\ *) printf '%s' -dirty ;; | |
122 | esac | |
123 | ||
124 | # All done with mercurial | |
125 | return | |
126 | fi | |
127 | ||
128 | # Check for svn and a svn repo. | |
129 | if rev=$(LANG= LC_ALL= LC_MESSAGES=C svn info 2>/dev/null | grep '^Last Changed Rev'); then | |
130 | rev=$(echo $rev | awk '{print $NF}') | |
131 | printf -- '-svn%s' "$rev" | |
132 | ||
133 | # All done with svn | |
134 | return | |
135 | fi | |
136 | } | |
137 | ||
138 | collect_files() | |
139 | { | |
140 | local file res= | |
141 | ||
142 | for file; do | |
143 | case "$file" in | |
144 | *\~*) | |
145 | continue | |
146 | ;; | |
147 | esac | |
148 | if test -e "$file"; then | |
149 | res="$res$(cat "$file")" | |
150 | fi | |
151 | done | |
152 | echo "$res" | |
153 | } | |
154 | ||
155 | if $scm_only; then | |
156 | if test ! -e .scmversion; then | |
157 | res=$(scm_version) | |
158 | echo "$res" >.scmversion | |
159 | fi | |
160 | exit | |
161 | fi | |
162 | ||
163 | if test -e include/config/auto.conf; then | |
164 | . include/config/auto.conf | |
165 | else | |
166 | echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2 | |
167 | exit 1 | |
168 | fi | |
169 | ||
170 | # localversion* files in the build and source directory | |
171 | res="$(collect_files localversion*)" | |
172 | if test ! "$srctree" -ef .; then | |
173 | res="$res$(collect_files "$srctree"/localversion*)" | |
174 | fi | |
175 | ||
176 | # CONFIG_LOCALVERSION and LOCALVERSION (if set) | |
177 | res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}" | |
178 | ||
179 | # scm version string if not at a tagged commit | |
180 | if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then | |
181 | # full scm version string | |
182 | res="$res$(scm_version)" | |
183 | else | |
184 | # append a plus sign if the repository is not in a clean | |
185 | # annotated or signed tagged state (as git describe only | |
186 | # looks at signed or annotated tags - git tag -a/-s) and | |
187 | # LOCALVERSION= is not specified | |
188 | if test "${LOCALVERSION+set}" != "set"; then | |
189 | scm=$(scm_version --short) | |
190 | res="$res${scm:++}" | |
191 | fi | |
192 | fi | |
193 | ||
194 | echo "$res" |